hi Tim,

In the following query, I am selecting all CategoryTypes and creating an IEnumerable OF IEnumerable - IGrouping, I think. What I get though is a list of Categorytype with an embedded igrouping of categories which belong to the parent category. You could use similar logic, I think:

            var query = from c in _unGroupedCategoryList
                        orderby c.CategoryTypeName, c.CategoryName
                        group c.CategoryName by c.CategoryTypeName into cats
                        select cats;

            this.CategoryList = query.ToList();